diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index b7c46f7..e6595ae 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -12,7 +12,7 @@ jobs:
       contents: read
       packages: write # allow GITHUB_TOKEN to publish packages
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Init nodejs
         uses: ./.github/actions/init-npm
       - uses: JS-DevTools/npm-publish@v3
diff --git a/.github/workflows/pull-request.yaml b/.github/workflows/pull-request.yaml
index 65a5a97..a63ba64 100644
--- a/.github/workflows/pull-request.yaml
+++ b/.github/workflows/pull-request.yaml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Check out TS Project Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Init nodejs
         uses: ./.github/actions/init-npm
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Check out TS Project Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Init nodejs
         uses: ./.github/actions/init-npm
diff --git a/.github/workflows/typedoc.yaml b/.github/workflows/typedoc.yaml
index 2871db4..ff4a1f9 100644
--- a/.github/workflows/typedoc.yaml
+++ b/.github/workflows/typedoc.yaml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with: